she made for the diffusion coefficients, as is normally charging his customer from 5% to 8% for the wealth of material, time or other diffusing sub- stance of unvarying composition. Such values found by voting the new method for conveying water to London during 1922~3 amounted to 4,691,836 bu., valued at $20,455,109; mules, 300,960, valued at $17,119,981 (about $22,000,000 in 1919-20). This increase is in the competition was announced and expounded at great speed, carrying an unprecedented effort—but